6 Terms
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Scuba diving
Underwater diving in which the diver uses scuba gears to breathe underwater.
Industry: Sports
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Scuba diving
Nitrogen
Sports; Scuba diving
Inert gas that makes up 79% of air. Nitrogen is inert in that it does not enter into any chemical reaction in the body, but it can cause problems under pressure.
Atmosphere (ATM)
Sports; Scuba diving
The blanket of air surrounding the earth, from sea level to outer space. Also, a unit of pressure; "one atmospheres is pressure of the atmosphere at sea level, i.e., 760 mm Hg. Two atmosphere is ...
Wreck diving
Sports; Scuba diving
Diving on natural or man-made shipwrecks; specialty courses are available.
Hyperthermia
Sports; Scuba diving
A body temperature warmer than normal, less common in diving than Hypothermia, but can occur from overheating in a wet suit.
Altitude sickness
Sports; Scuba diving
An illness brought on by the sudden reduction in pressure of ascent to altitude.
Second stage regulator
Sports; Scuba diving
The regulator that follows, in line, the first stage regulator, and delivers compressed air to the diver. Usually associated with the mouthpiece.
Supplied air snorkelling for youth (SASY)
Sports; Scuba diving
BC-like PFD mounted with small compressed air cylinder and regulator that allows snorkeler to breathe comfortably on the surface but prohibits him from descending. SPG submersible pressure gauge. ...
